Gaya APA

Service, P, A, N. (1973). Flight engineers manual .with text airplane operating manuals, FAR'S, and typical axaminantions for flight engineer certificate, including turbojet, turboprop,and recoprocating-engine class, ratings : A. Zweng manual 7th.rev.and exponded ed. . California: North Hollywood.

Gaya MLA

Service, Pan, American, Navigation. "Flight engineers manual .with text airplane operating manuals, FAR'S, and typical axaminantions for flight engineer certificate, including turbojet, turboprop,and recoprocating-engine class, ratings : A. Zweng manual 7th.rev.and exponded ed.". California: North Hollywood, 1973. Text.